Perception - Visual Illusions

Question 1

The brain perceives familiar objects as a constant size despite the size of the image they produce on our retina changing with distance.

Answer 1

Size constancy

Question 2

Objects in the distance that appear smaller are scaled up by our brain so they look normal size.
Sometimes the brain perceives distance when there isn’t any which creates a visual illusion.

Answer 2

Misinterpreted depth cues

Question 3

A type of visual illusion where there are two possible interpretations of the same image, and the brain cannot decide which one to choose.

Answer 3

Ambiguous figure

Question 4

A type of visual illusion that causes the brain to perceive something that is not there.

Answer 4

Fiction

Question 5

Example of misinterpreted depth cues

Answer 5

Ponzo illusion

Muller-Lyer illusion

Question 6

Example of ambiguous figure

Answer 6

Necker cube

Question 7

Example of fiction

Answer 7

Kanizsa triangle